Alex Koo

Mage 17CZGUINFASTIN

48 plausible swims · 6 meets · 2023-07-21 → 2026-06-24

Personal records

EventCourseBest CutDateMeet
1600 Freestyle SCY 19:49.78 2026-06-24 2026 IN Open Water Championships venue
50 Freestyle LCM 24.22 AAAA 2025-03-27 2025 Central Zone East Spring Speedo Sectiona venue
100 Freestyle LCM 53.21 AAA+0.22s to AAAA 2025-03-30 2025 Central Zone East Spring Speedo Sectiona venue
200 Freestyle LCM 1:58.04 AAA+1.45s to AAAA 2024-07-12 2024 IN Swimming Swimfest venue
400 Freestyle LCM 4:21.10 AA+0.51s to AAA 2024-07-13 2024 IN Swimming Swimfest venue
100 Backstroke LCM 1:00.72 AAA+1.63s to AAAA 2024-03-23 2024 Spring Speedo Sectionals venue
200 Backstroke LCM 2:15.27 AA+0.48s to AAA 2023-07-21 2023 IN Swimming AGS Entries
100 Butterfly LCM 57.68 AAA+0.69s to AAAA 2025-03-28 2025 Central Zone East Spring Speedo Sectiona venue
200 Butterfly LCM 2:09.81 AAA+2.62s to AAAA 2025-03-29 2025 Central Zone East Spring Speedo Sectiona venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

IMX / IMR

IMX 17-18 · LCM

2549 points (3/6 events — incomplete)

EventTime Points
400 FR LCM 4:21.10 825
200 BK LCM 2:15.27 825
200 FL LCM 2:09.81 899
200 BR LCM 0
200 IM LCM 0
400 IM LCM 0

IMR 17-18 · LCM

2711 points (3/5 events — incomplete)

EventTime Points
200 FR LCM 1:58.04 917
100 BK LCM 1:00.72 880
100 FL LCM 57.68 914
100 BR LCM 0
200 IM LCM 0

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle LCM 53.21

25.54
27.67

Front half 25.54s · back half 27.67s

200 Freestyle LCM 1:58.04

26.99
29.83
30.63
30.59

Front half 56.82s · back half 61.22s

400 Freestyle LCM 4:21.10

28.78
31.54
32.40
34.03
33.59
34.06
33.68
33.02

Front half 126.75s · back half 134.35s

100 Backstroke LCM 1:00.72

29.62
31.10

Front half 29.62s · back half 31.10s

100 Butterfly LCM 57.68

26.74
30.94

Front half 26.74s · back half 30.94s

200 Butterfly LCM 2:09.81

27.69
32.13
34.60
35.39

Front half 59.82s · back half 69.99s

Progression

Faster times are higher. One card per event, all courses & history.

1600 Freestyle SCY 19:49.78 1 swim
50 Freestyle LCM 24.22 9 swims
100 Freestyle LCM 53.21 8 swims
200 Freestyle LCM 1:58.04 6 swims
400 Freestyle LCM 4:21.10 3 swims
100 Backstroke LCM 1:00.72 6 swims
200 Backstroke LCM 2:15.27 4 swims
100 Butterfly LCM 57.68 9 swims
200 Butterfly LCM 2:09.81 2 swims